Eleven enduring mysteries of 9/11

"Today, as the world pauses to remember the eleventh anniversary of the 9/11 terror attacks on the United States, it is also important to remember the inexplicable things that happened â and didnât happen â that tragic day. After all, 9/11 is solely responsible for diminishing hard-fought US civil rights, as well as triggering wars around the world. Without wandering into the tall grass of conspiracy theory, here are 11 well documented mysteries of 9/11 that warrant an investigation into the two hours that changed the course of world history. "...